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Ironwood Pharmaceuticals Inc

IRWD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001446847

In the last 90 days, Ironwood Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 212 institutions reported holding it in 13F filings for Q2 2026, worth $675.8M in total; no superinvestor holds it.

Q1 2025 vs. Q4 2024

How the institutions holding Ironwood Pharmaceuticals Inc changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of IRWD: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2232200−21
Shares164.2M406.3K155.5M−8.33M (−5.1%)
Value$727.5M$1.80M$228.5M−$497.1M (−68.5%)

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (30)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to IRWD in Q1 2025
InstitutionSharesValue% of portfolio
Marshall Wace, LLP557,521$819.6K0.00%
ExodusPoint Capital Management, LP494,620$727.0K0.01%
Nuveen, LLC471,361$692.9K0.00%
Balyasny Asset Management LLC310,260$456.1K0.00%
Ieq Capital, LLC185,728$273.0K0.00%
Virtus Investment Advisers, Inc.100,851$148.3K0.04%
Cerity Partners LLC96,478$141.8K0.00%
Quantessence Capital LLC58,149$85.5K0.02%
Jefferies Financial Group Inc.48,851$71.8K0.00%
Capstone Investment Advisors, LLC40,000$58.8K0.00%
Dynamic Technology Lab Private Ltd38,610$57.0K0.01%
Brevan Howard Capital Management LP34,658$50.9K0.00%
Simplicity Wealth,LLC30,324$44.6K0.00%
McAdam, LLC27,294$40.1K0.00%
DRW Securities, LLC15,900$23.4K0.00%
Engineers Gate Manager LP15,634$23.0K0.00%
Merit Financial Group, LLC15,322$22.5K0.00%
Pallas Capital Advisors LLC14,340$21.1K0.00%
Farringdon Capital, Ltd.13,468$19.8K0.01%
First Affirmative Financial Network11,077$16.3K0.01%
Buckingham Strategic Partners10,334$15.2K0.00%
Picton Mahoney Asset Management808$1.00K0.00%
Clear Street Markets LLC306$4500.00%
Private Wealth Asset Management, LLC209$3070.00%
CoreCap Advisors, LLC175$2570.00%
Boston Private Wealth LLC121$1780.00%
True Wealth Design, LLC121$1780.00%
Ronald Blue Trust, Inc.34$500.00%
Steward Partners Investment Advisory, LLC17$250.00%
National Bank of Canada1$10.00%

Sold out (51)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of IRWD in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Saturn V Capital Management LLC814,533$3.61M
Stonepine Capital Management, LLC648,785$2.87M
Public Sector Pension Investment Board352,106$1.56M
Wedge Capital Management L L P289,023$1.28M
Norges Bank252,291$1.12M
Rafferty Asset Management, LLC236,732$1.05M
PDT Partners, LLC223,938$992.0K
Vestcor Inc148,614$658.0K
MYDA Advisors LLC115,200$510.3K
Thrivent Financial for Lutherans108,850$482.0K
Harbor Capital Advisors, Inc.99,610$441.0K
Virtus ETF Advisers LLC98,218$435.1K
Ensign Peak Advisors, Inc85,392$378.3K
State of Alaska, Department of Revenue80,212$355.0K
Verition Fund Management LLC74,330$329.3K
Louisiana State Employees Retirement System68,100$301.7K
State of Tennessee, Treasury Department66,821$296.0K
Profund Advisors LLC51,455$227.9K
Caption Management, LLC50,000$221.5K
Gallacher Capital Management LLC49,821$220.7K
Maryland State Retirement & Pension System47,110$208.7K
Yousif Capital Management, LLC42,766$189.5K
New York State Teachers Retirement System34,900$155.0K
Oregon Public Employees Retirement Fund33,150$146.9K
Connors Investor Services Inc31,000$137.3K
Commonwealth of Pennsylvania Public School Empls Retrmt Sys30,064$133.2K
Captrust Financial Advisors26,894$119.1K
Nomura Holdings Inc23,852$105.7K
Gerber, LLC23,600$104.5K
Mutual of America Capital Management LLC21,332$94.5K
Headlands Technologies LLC20,185$89.4K
Rpo LLC17,293$76.6K
E Fund Management Co., Ltd.16,746$74.2K
Boothbay Fund Management, LLC12,970$57.5K
Wolverine Trading, LLC12,502$54.8K
CIBC Asset Management Inc12,054$53.4K
Journey Strategic Wealth LLC10,155$45.0K
Fifth Third Bancorp3,366$14.9K
Group One Trading, L.P.1,403$6.21K
Quadrant Capital Group LLC753$3.34K
Umb Bank N A722$3.20K
Signaturefd, LLC652$2.89K
Caitong International Asset Management Co., Ltd627$2.78K
Allworth Financial LP666$2.48K
Massmutual Trust Co FSB350$1.55K
Lindbrook Capital, LLC326$1.44K
Riverview Trust Co154$682
Farmers & Merchants Investments Inc101$447
Huntington National Bank92$408
Parkside Financial Bank & Trust38$169
Abound Wealth Management34$151

Not filed for Q1 2025 yet (2)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRWD in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC405,354$1.80M
Global Retirement Partners, LLC902$4.00K